From patchwork Thu Apr 16 15:57:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494187 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 06504912 for ; Fri, 17 Apr 2020 07:00:22 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E3868221F4 for ; Fri, 17 Apr 2020 07:00:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E3868221F4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 40D566E384; Fri, 17 Apr 2020 06:59:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id E33116E321 for ; Thu, 16 Apr 2020 15:57:29 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id D86A82A22A7 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 1/7] drm/bridge: ps8640: Get the EDID from eDP control Date: Thu, 16 Apr 2020 17:57:13 +0200 Message-Id: <20200416155720.2360443-2-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jernej Skrabec , drinkcat@chromium.org, Jonas Karlman , David Airlie , Neil Armstrong , dri-devel@lists.freedesktop.org, Andrzej Hajda , Laurent Pinchart , hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The PS8640 DSI-to-eDP bridge can retrieve the EDID, so implement the .get_edid callback and set the flag to indicate the core to use it. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: None drivers/gpu/drm/bridge/parade-ps8640.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index d3a53442d449..956b76e0a44d 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -242,8 +242,18 @@ static int ps8640_bridge_attach(struct drm_bridge *bridge, return ret; } +static struct edid *ps8640_bridge_get_edid(struct drm_bridge *bridge, + struct drm_connector *connector) +{ + struct ps8640 *ps_bridge = bridge_to_ps8640(bridge); + + return drm_get_edid(connector, + ps_bridge->page[PAGE0_DP_CNTL]->adapter); +} + static const struct drm_bridge_funcs ps8640_bridge_funcs = { .attach = ps8640_bridge_attach, + .get_edid = ps8640_bridge_get_edid, .post_disable = ps8640_post_disable, .pre_enable = ps8640_pre_enable, }; @@ -296,6 +306,8 @@ static int ps8640_probe(struct i2c_client *client) ps_bridge->bridge.funcs = &ps8640_bridge_funcs; ps_bridge->bridge.of_node = dev->of_node; + ps_bridge->bridge.ops = DRM_BRIDGE_OP_EDID; + ps_bridge->bridge.type = DRM_MODE_CONNECTOR_eDP; ps_bridge->page[PAGE0_DP_CNTL] = client; From patchwork Thu Apr 16 15:57:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494203 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CD542913 for ; Fri, 17 Apr 2020 07:00:49 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B6864221E9 for ; Fri, 17 Apr 2020 07:00:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B6864221E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 47FFD6E35D; Fri, 17 Apr 2020 07:00:30 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id D4B376E321 for ; Thu, 16 Apr 2020 15:57:30 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id EF1C32A22A8 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 2/7] drm/bridge_connector: Set default status connected for eDP connectors Date: Thu, 16 Apr 2020 17:57:14 +0200 Message-Id: <20200416155720.2360443-3-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drinkcat@chromium.org, Thomas Zimmermann , David Airlie , dri-devel@lists.freedesktop.org, laurent.pinchart@ideasonboard.com, hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In an eDP application, HPD is not required and on most bridge chips useless. If HPD is not used, we need to set initial status as connected, otherwise the connector created by the drm_bridge_connector API remains in an unknown state. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: None drivers/gpu/drm/drm_bridge_connector.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c index c6994fe673f3..a58cbde59c34 100644 --- a/drivers/gpu/drm/drm_bridge_connector.c +++ b/drivers/gpu/drm/drm_bridge_connector.c @@ -187,6 +187,7 @@ drm_bridge_connector_detect(struct drm_connector *connector, bool force) case DRM_MODE_CONNECTOR_DPI: case DRM_MODE_CONNECTOR_LVDS: case DRM_MODE_CONNECTOR_DSI: + case DRM_MODE_CONNECTOR_eDP: status = connector_status_connected; break; default: From patchwork Thu Apr 16 15:57:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494205 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 46D76913 for ; Fri, 17 Apr 2020 07:00:51 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3001421D91 for ; Fri, 17 Apr 2020 07:00:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3001421D91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5853A6E370; Fri, 17 Apr 2020 07:00:31 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id E31A56E321 for ; Thu, 16 Apr 2020 15:57:31 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id E4AD32A22A9 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 3/7] drm/mediatek: mtk_dsi: Rename bridge to next_bridge Date: Thu, 16 Apr 2020 17:57:15 +0200 Message-Id: <20200416155720.2360443-4-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , drinkcat@chromium.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, laurent.pinchart@ideasonboard.com, hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This is really a cosmetic change just to make a bit more readable the code after convert the driver to drm_bridge. The bridge variable name will be used by the encoder drm_bridge, and the chained bridge will be named next_bridge. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: None drivers/gpu/drm/mediatek/mtk_dsi.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index cfa45d6abd74..44ee884cc31c 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -182,7 +182,7 @@ struct mtk_dsi { struct drm_encoder encoder; struct drm_connector conn; struct drm_panel *panel; - struct drm_bridge *bridge; + struct drm_bridge *next_bridge; struct phy *phy; void __iomem *regs; @@ -903,8 +903,9 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi) dsi->encoder.possible_crtcs = 1; /* If there's a bridge, attach to it and let it create the connector */ - if (dsi->bridge) { - ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL, 0); + if (dsi->next_bridge) { + ret = drm_bridge_attach(&dsi->encoder, dsi->next_bridge, NULL, + 0); if (ret) { DRM_ERROR("Failed to attach bridge to drm\n"); goto err_encoder_cleanup; @@ -1185,7 +1186,7 @@ static int mtk_dsi_probe(struct platform_device *pdev) } ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, - &dsi->panel, &dsi->bridge); + &dsi->panel, &dsi->next_bridge); if (ret) goto err_unregister_host; From patchwork Thu Apr 16 15:57:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494195 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6AA18913 for ; Fri, 17 Apr 2020 07:00:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 53D5B221E9 for ; Fri, 17 Apr 2020 07:00:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53D5B221E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 35A5F6E358; Fri, 17 Apr 2020 06:59:48 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 114AE6E323 for ; Thu, 16 Apr 2020 15:57:33 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 06F8D2A22AB From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 4/7] drm/mediatek: mtk_dsi: Convert to bridge driver Date: Thu, 16 Apr 2020 17:57:16 +0200 Message-Id: <20200416155720.2360443-5-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , drinkcat@chromium.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, laurent.pinchart@ideasonboard.com, hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Convert mtk_dsi to a bridge driver with built-in encoder support for compatibility with existing component drivers. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: None drivers/gpu/drm/mediatek/mtk_dsi.c | 106 ++++++++++++++++++----------- 1 file changed, 68 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 44ee884cc31c..3400d6686c85 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -180,6 +180,7 @@ struct mtk_dsi { struct device *dev; struct mipi_dsi_host host; struct drm_encoder encoder; + struct drm_bridge bridge; struct drm_connector conn; struct drm_panel *panel; struct drm_bridge *next_bridge; @@ -205,9 +206,9 @@ struct mtk_dsi { const struct mtk_dsi_driver_data *driver_data; }; -static inline struct mtk_dsi *encoder_to_dsi(struct drm_encoder *e) +static inline struct mtk_dsi *bridge_to_dsi(struct drm_bridge *b) { - return container_of(e, struct mtk_dsi, encoder); + return container_of(b, struct mtk_dsi, bridge); } static inline struct mtk_dsi *connector_to_dsi(struct drm_connector *c) @@ -796,32 +797,43 @@ static const struct drm_encoder_funcs mtk_dsi_encoder_funcs = { .destroy = mtk_dsi_encoder_destroy, }; -static bool mtk_dsi_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi); +static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi); + +static int mtk_dsi_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) { - return true; + struct mtk_dsi *dsi = bridge_to_dsi(bridge); + + return mtk_dsi_create_conn_enc(bridge->dev, dsi); +} + +static void mtk_dsi_bridge_detach(struct drm_bridge *bridge) +{ + struct mtk_dsi *dsi = bridge_to_dsi(bridge); + + mtk_dsi_destroy_conn_enc(dsi); } -static void mtk_dsi_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted) +static void mtk_dsi_bridge_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted) { - struct mtk_dsi *dsi = encoder_to_dsi(encoder); + struct mtk_dsi *dsi = bridge_to_dsi(bridge); drm_display_mode_to_videomode(adjusted, &dsi->vm); } -static void mtk_dsi_encoder_disable(struct drm_encoder *encoder) +static void mtk_dsi_bridge_disable(struct drm_bridge *bridge) { - struct mtk_dsi *dsi = encoder_to_dsi(encoder); + struct mtk_dsi *dsi = bridge_to_dsi(bridge); mtk_output_dsi_disable(dsi); } -static void mtk_dsi_encoder_enable(struct drm_encoder *encoder) +static void mtk_dsi_bridge_enable(struct drm_bridge *bridge) { - struct mtk_dsi *dsi = encoder_to_dsi(encoder); + struct mtk_dsi *dsi = bridge_to_dsi(bridge); mtk_output_dsi_enable(dsi); } @@ -833,11 +845,12 @@ static int mtk_dsi_connector_get_modes(struct drm_connector *connector) return drm_panel_get_modes(dsi->panel, connector); } -static const struct drm_encoder_helper_funcs mtk_dsi_encoder_helper_funcs = { - .mode_fixup = mtk_dsi_encoder_mode_fixup, - .mode_set = mtk_dsi_encoder_mode_set, - .disable = mtk_dsi_encoder_disable, - .enable = mtk_dsi_encoder_enable, +static const struct drm_bridge_funcs mtk_dsi_bridge_funcs = { + .attach = mtk_dsi_bridge_attach, + .detach = mtk_dsi_bridge_detach, + .disable = mtk_dsi_bridge_disable, + .enable = mtk_dsi_bridge_enable, + .mode_set = mtk_dsi_bridge_mode_set, }; static const struct drm_connector_funcs mtk_dsi_connector_funcs = { @@ -888,20 +901,6 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi) { int ret; - ret = drm_encoder_init(drm, &dsi->encoder, &mtk_dsi_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); - if (ret) { - DRM_ERROR("Failed to encoder init to drm\n"); - return ret; - } - drm_encoder_helper_add(&dsi->encoder, &mtk_dsi_encoder_helper_funcs); - - /* - * Currently display data paths are statically assigned to a crtc each. - * crtc 0 is OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 - */ - dsi->encoder.possible_crtcs = 1; - /* If there's a bridge, attach to it and let it create the connector */ if (dsi->next_bridge) { ret = drm_bridge_attach(&dsi->encoder, dsi->next_bridge, NULL, @@ -1123,6 +1122,34 @@ static const struct mipi_dsi_host_ops mtk_dsi_ops = { .transfer = mtk_dsi_host_transfer, }; +static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi) +{ + int ret; + + ret = drm_encoder_init(drm, &dsi->encoder, &mtk_dsi_encoder_funcs, + DRM_MODE_ENCODER_DSI, NULL); + if (ret) { + DRM_ERROR("Failed to encoder init to drm\n"); + return ret; + } + + /* + * Currently display data paths are statically assigned to a crtc each. + * crtc 0 is OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 + */ + dsi->encoder.possible_crtcs = 1; + + ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, 0); + if (ret) + goto err_cleanup_encoder; + + return 0; + +err_cleanup_encoder: + drm_encoder_cleanup(&dsi->encoder); + return ret; +} + static int mtk_dsi_bind(struct device *dev, struct device *master, void *data) { int ret; @@ -1136,11 +1163,9 @@ static int mtk_dsi_bind(struct device *dev, struct device *master, void *data) return ret; } - ret = mtk_dsi_create_conn_enc(drm, dsi); - if (ret) { - DRM_ERROR("Encoder create failed with %d\n", ret); + ret = mtk_dsi_encoder_init(drm, dsi); + if (ret) goto err_unregister; - } return 0; @@ -1155,7 +1180,6 @@ static void mtk_dsi_unbind(struct device *dev, struct device *master, struct drm_device *drm = data; struct mtk_dsi *dsi = dev_get_drvdata(dev); - mtk_dsi_destroy_conn_enc(dsi); mtk_ddp_comp_unregister(drm, &dsi->ddp_comp); } @@ -1265,6 +1289,11 @@ static int mtk_dsi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dsi); + dsi->bridge.funcs = &mtk_dsi_bridge_funcs; + dsi->bridge.of_node = dev->of_node; + + drm_bridge_add(&dsi->bridge); + ret = component_add(&pdev->dev, &mtk_dsi_component_ops); if (ret) { dev_err(&pdev->dev, "failed to add component: %d\n", ret); @@ -1283,6 +1312,7 @@ static int mtk_dsi_remove(struct platform_device *pdev) struct mtk_dsi *dsi = platform_get_drvdata(pdev); mtk_output_dsi_disable(dsi); + drm_bridge_remove(&dsi->bridge); component_del(&pdev->dev, &mtk_dsi_component_ops); mipi_dsi_host_unregister(&dsi->host); From patchwork Thu Apr 16 15:57:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494201 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E068A913 for ; Fri, 17 Apr 2020 07:00:46 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C9AC121D91 for ; Fri, 17 Apr 2020 07:00:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9AC121D91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 03F546E379; Fri, 17 Apr 2020 06:59:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 13D7A6E323 for ; Thu, 16 Apr 2020 15:57:34 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 24C312A22A7 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 5/7] drm/mediatek: mtk_dsi: Use simple encoder Date: Thu, 16 Apr 2020 17:57:17 +0200 Message-Id: <20200416155720.2360443-6-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , drinkcat@chromium.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, laurent.pinchart@ideasonboard.com, hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The mtk_dsi driver uses an empty implementation for its encoder. Replace the code with the generic simple encoder. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: None drivers/gpu/drm/mediatek/mtk_dsi.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 3400d6686c85..48361c1e9f34 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "mtk_drm_ddp_comp.h" @@ -788,15 +789,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi) dsi->enabled = false; } -static void mtk_dsi_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs mtk_dsi_encoder_funcs = { - .destroy = mtk_dsi_encoder_destroy, -}; - static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi); static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi); @@ -1126,8 +1118,8 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi) { int ret; - ret = drm_encoder_init(drm, &dsi->encoder, &mtk_dsi_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); + ret = drm_simple_encoder_init(drm, &dsi->encoder, + DRM_MODE_ENCODER_DSI); if (ret) { DRM_ERROR("Failed to encoder init to drm\n"); return ret; From patchwork Thu Apr 16 15:57:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494189 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D0833913 for ; Fri, 17 Apr 2020 07:00:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B8CF422242 for ; Fri, 17 Apr 2020 07:00:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B8CF422242 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B457F6E395; Fri, 17 Apr 2020 06:59:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 24DC96E329 for ; Thu, 16 Apr 2020 15:57:35 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 333572A22A6 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 6/7] drm/mediatek: mtk_dsi: Use the drm_panel_bridge API Date: Thu, 16 Apr 2020 17:57:18 +0200 Message-Id: <20200416155720.2360443-7-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , drinkcat@chromium.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, laurent.pinchart@ideasonboard.com, hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Replace the manual panel handling code by a drm_panel_bridge. This simplifies the driver and allows all components in the display pipeline to be treated as bridges, paving the way to generic connector handling. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: - Do not set connector_type for panel here. (Sam Ravnborg) drivers/gpu/drm/mediatek/mtk_dsi.c | 177 ++++------------------------- 1 file changed, 19 insertions(+), 158 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 48361c1e9f34..44718fa3d1ca 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -182,8 +182,7 @@ struct mtk_dsi { struct mipi_dsi_host host; struct drm_encoder encoder; struct drm_bridge bridge; - struct drm_connector conn; - struct drm_panel *panel; + struct drm_bridge *panel_bridge; struct drm_bridge *next_bridge; struct phy *phy; @@ -212,11 +211,6 @@ static inline struct mtk_dsi *bridge_to_dsi(struct drm_bridge *b) return container_of(b, struct mtk_dsi, bridge); } -static inline struct mtk_dsi *connector_to_dsi(struct drm_connector *c) -{ - return container_of(c, struct mtk_dsi, conn); -} - static inline struct mtk_dsi *host_to_dsi(struct mipi_dsi_host *h) { return container_of(h, struct mtk_dsi, host); @@ -682,16 +676,7 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi) mtk_dsi_lane0_ulp_mode_leave(dsi); mtk_dsi_clk_hs_mode(dsi, 0); - if (dsi->panel) { - if (drm_panel_prepare(dsi->panel)) { - DRM_ERROR("failed to prepare the panel\n"); - goto err_disable_digital_clk; - } - } - return 0; -err_disable_digital_clk: - clk_disable_unprepare(dsi->digital_clk); err_disable_engine_clk: clk_disable_unprepare(dsi->engine_clk); err_phy_power_off: @@ -718,15 +703,7 @@ static void mtk_dsi_poweroff(struct mtk_dsi *dsi) */ mtk_dsi_stop(dsi); - if (!mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500)) { - if (dsi->panel) { - if (drm_panel_unprepare(dsi->panel)) { - DRM_ERROR("failed to unprepare the panel\n"); - return; - } - } - } - + mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500); mtk_dsi_reset_engine(dsi); mtk_dsi_lane0_ulp_mode_enter(dsi); mtk_dsi_clk_ulp_mode_enter(dsi); @@ -757,19 +734,7 @@ static void mtk_output_dsi_enable(struct mtk_dsi *dsi) mtk_dsi_start(dsi); - if (dsi->panel) { - if (drm_panel_enable(dsi->panel)) { - DRM_ERROR("failed to enable the panel\n"); - goto err_dsi_power_off; - } - } - dsi->enabled = true; - - return; -err_dsi_power_off: - mtk_dsi_stop(dsi); - mtk_dsi_poweroff(dsi); } static void mtk_output_dsi_disable(struct mtk_dsi *dsi) @@ -777,34 +742,24 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi) if (!dsi->enabled) return; - if (dsi->panel) { - if (drm_panel_disable(dsi->panel)) { - DRM_ERROR("failed to disable the panel\n"); - return; - } - } - mtk_dsi_poweroff(dsi); dsi->enabled = false; } -static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi); -static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi); - static int mtk_dsi_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { struct mtk_dsi *dsi = bridge_to_dsi(bridge); + struct drm_bridge *next; - return mtk_dsi_create_conn_enc(bridge->dev, dsi); -} - -static void mtk_dsi_bridge_detach(struct drm_bridge *bridge) -{ - struct mtk_dsi *dsi = bridge_to_dsi(bridge); + if (dsi->next_bridge) + next = dsi->next_bridge; + else + next = dsi->panel_bridge; - mtk_dsi_destroy_conn_enc(dsi); + /* Attach the panel or bridge to the dsi bridge */ + return drm_bridge_attach(bridge->encoder, next, &dsi->bridge, flags); } static void mtk_dsi_bridge_mode_set(struct drm_bridge *bridge, @@ -830,101 +785,13 @@ static void mtk_dsi_bridge_enable(struct drm_bridge *bridge) mtk_output_dsi_enable(dsi); } -static int mtk_dsi_connector_get_modes(struct drm_connector *connector) -{ - struct mtk_dsi *dsi = connector_to_dsi(connector); - - return drm_panel_get_modes(dsi->panel, connector); -} - static const struct drm_bridge_funcs mtk_dsi_bridge_funcs = { .attach = mtk_dsi_bridge_attach, - .detach = mtk_dsi_bridge_detach, .disable = mtk_dsi_bridge_disable, .enable = mtk_dsi_bridge_enable, .mode_set = mtk_dsi_bridge_mode_set, }; -static const struct drm_connector_funcs mtk_dsi_connector_funcs = { - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = drm_connector_cleanup, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static const struct drm_connector_helper_funcs - mtk_dsi_connector_helper_funcs = { - .get_modes = mtk_dsi_connector_get_modes, -}; - -static int mtk_dsi_create_connector(struct drm_device *drm, struct mtk_dsi *dsi) -{ - int ret; - - ret = drm_connector_init(drm, &dsi->conn, &mtk_dsi_connector_funcs, - DRM_MODE_CONNECTOR_DSI); - if (ret) { - DRM_ERROR("Failed to connector init to drm\n"); - return ret; - } - - drm_connector_helper_add(&dsi->conn, &mtk_dsi_connector_helper_funcs); - - dsi->conn.dpms = DRM_MODE_DPMS_OFF; - drm_connector_attach_encoder(&dsi->conn, &dsi->encoder); - - if (dsi->panel) { - ret = drm_panel_attach(dsi->panel, &dsi->conn); - if (ret) { - DRM_ERROR("Failed to attach panel to drm\n"); - goto err_connector_cleanup; - } - } - - return 0; - -err_connector_cleanup: - drm_connector_cleanup(&dsi->conn); - return ret; -} - -static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi) -{ - int ret; - - /* If there's a bridge, attach to it and let it create the connector */ - if (dsi->next_bridge) { - ret = drm_bridge_attach(&dsi->encoder, dsi->next_bridge, NULL, - 0); - if (ret) { - DRM_ERROR("Failed to attach bridge to drm\n"); - goto err_encoder_cleanup; - } - } else { - /* Otherwise create our own connector and attach to a panel */ - ret = mtk_dsi_create_connector(drm, dsi); - if (ret) - goto err_encoder_cleanup; - } - - return 0; - -err_encoder_cleanup: - drm_encoder_cleanup(&dsi->encoder); - return ret; -} - -static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi) -{ - drm_encoder_cleanup(&dsi->encoder); - /* Skip connector cleanup if creation was delegated to the bridge */ - if (dsi->conn.dev) - drm_connector_cleanup(&dsi->conn); - if (dsi->panel) - drm_panel_detach(dsi->panel); -} - static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp) { struct mtk_dsi *dsi = container_of(comp, struct mtk_dsi, ddp_comp); @@ -953,20 +820,6 @@ static int mtk_dsi_host_attach(struct mipi_dsi_host *host, dsi->format = device->format; dsi->mode_flags = device->mode_flags; - if (dsi->conn.dev) - drm_helper_hpd_irq_event(dsi->conn.dev); - - return 0; -} - -static int mtk_dsi_host_detach(struct mipi_dsi_host *host, - struct mipi_dsi_device *device) -{ - struct mtk_dsi *dsi = host_to_dsi(host); - - if (dsi->conn.dev) - drm_helper_hpd_irq_event(dsi->conn.dev); - return 0; } @@ -1110,7 +963,6 @@ static ssize_t mtk_dsi_host_transfer(struct mipi_dsi_host *host, static const struct mipi_dsi_host_ops mtk_dsi_ops = { .attach = mtk_dsi_host_attach, - .detach = mtk_dsi_host_detach, .transfer = mtk_dsi_host_transfer, }; @@ -1184,6 +1036,7 @@ static int mtk_dsi_probe(struct platform_device *pdev) { struct mtk_dsi *dsi; struct device *dev = &pdev->dev; + struct drm_panel *panel; struct resource *regs; int irq_num; int comp_id; @@ -1202,10 +1055,18 @@ static int mtk_dsi_probe(struct platform_device *pdev) } ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, - &dsi->panel, &dsi->next_bridge); + &panel, &dsi->next_bridge); if (ret) goto err_unregister_host; + if (panel) { + dsi->panel_bridge = devm_drm_panel_bridge_add(dev, panel); + if (IS_ERR(dsi->panel_bridge)) { + ret = PTR_ERR(dsi->panel_bridge); + goto err_unregister_host; + } + } + dsi->driver_data = of_device_get_match_data(dev); dsi->engine_clk = devm_clk_get(dev, "engine"); From patchwork Thu Apr 16 15:57:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 11494207 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6F6F3912 for ; Fri, 17 Apr 2020 07:00:53 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 587BC21D91 for ; Fri, 17 Apr 2020 07:00:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 587BC21D91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 83C866E398; Fri, 17 Apr 2020 07:00:31 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4A6A06E329 for ; Thu, 16 Apr 2020 15:57:36 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 4E96C2A22B0 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 7/7] drm/mediatek: mtk_dsi: Create connector for bridges Date: Thu, 16 Apr 2020 17:57:19 +0200 Message-Id: <20200416155720.2360443-8-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200416155720.2360443-1-enric.balletbo@collabora.com> References: <20200416155720.2360443-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 17 Apr 2020 06:59:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , drinkcat@chromium.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, laurent.pinchart@ideasonboard.com, hsinyi@chromium.org, matthias.bgg@gmail.com, Collabora Kernel ML , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use the drm_bridge_connector helper to create a connector for pipelines that use drm_bridge. This allows splitting connector operations across multiple bridges when necessary, instead of having the last bridge in the chain creating the connector and handling all connector operations internally. Signed-off-by: Enric Balletbo i Serra --- Changes in v2: None drivers/gpu/drm/mediatek/mtk_dsi.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 44718fa3d1ca..2f8876c32864 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -17,6 +17,7 @@ #include #include +#include #include #include #include @@ -184,6 +185,7 @@ struct mtk_dsi { struct drm_bridge bridge; struct drm_bridge *panel_bridge; struct drm_bridge *next_bridge; + struct drm_connector *connector; struct phy *phy; void __iomem *regs; @@ -983,10 +985,19 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi) */ dsi->encoder.possible_crtcs = 1; - ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, 0); + ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) goto err_cleanup_encoder; + dsi->connector = drm_bridge_connector_init(drm, &dsi->encoder); + if (IS_ERR(dsi->connector)) { + DRM_ERROR("Unable to create bridge connector\n"); + ret = PTR_ERR(dsi->connector); + goto err_cleanup_encoder; + } + drm_connector_attach_encoder(dsi->connector, &dsi->encoder); + return 0; err_cleanup_encoder: @@ -1144,6 +1155,7 @@ static int mtk_dsi_probe(struct platform_device *pdev) dsi->bridge.funcs = &mtk_dsi_bridge_funcs; dsi->bridge.of_node = dev->of_node; + dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; drm_bridge_add(&dsi->bridge);